CN109064894A - It slides film layer and display panel and slides the preparation method of film layer - Google Patents

It slides film layer and display panel and slides the preparation method of film layer Download PDF

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Publication number
CN109064894A
CN109064894A CN201810909602.7A CN201810909602A CN109064894A CN 109064894 A CN109064894 A CN 109064894A CN 201810909602 A CN201810909602 A CN 201810909602A CN 109064894 A CN109064894 A CN 109064894A
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CN
China
Prior art keywords
film layer
sliding film
layer
cut
sliding
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Granted
Application number
CN201810909602.7A
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Chinese (zh)
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CN109064894B (en
Inventor
周丹丹
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Yungu Guan Technology Co Ltd
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Yungu Guan Technology Co Ltd
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Priority to CN201810909602.7A priority Critical patent/CN109064894B/en
Publication of CN109064894A publication Critical patent/CN109064894A/en
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Publication of CN109064894B publication Critical patent/CN109064894B/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/20Sliding surface consisting mainly of plastics
    • F16C33/201Composition of the plastic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/20Sliding surface consisting mainly of plastics
    • F16C33/208Methods of manufacture, e.g. shaping, applying coatings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1601Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1607Arrangements to support accessories mechanically attached to the display housing
    • G06F1/1609Arrangements to support accessories mechanically attached to the display housing to support filters or lenses
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L2251/00Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
    • H01L2251/50Organic light emitting devices
    • H01L2251/53Structure
    • H01L2251/5338Flexible OLED
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L51/00Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/0096Substrates
    • H01L51/0097Substrates flexible substrates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention provides a kind of sliding film layer and display panel and the preparation methods for sliding film layer, by the way that a kind of sliding film layer staggeredly cut up and down is arranged in screen body, so that screen body is when by impact force, sliding film layer is slid, to disperses impact forces, it can effectively improve screen body anticollision performance while not influencing to shield body bending performance.The top surface for wherein sliding film layer is provided with multiple first cut surfaces being parallel to each other and with top surface in predetermined angle, wherein the first cut surface extends to the inside of sliding film layer from top surface, the bottom surface of sliding film layer is provided with the second cut surface being staggered with the first cut surface, wherein the second cut surface extends to the inside of sliding film layer from bottom surface.

Description

It slides film layer and display panel and slides the preparation method of film layer
Technical field
The present invention relates to display panel manufacturing fields, and in particular to a kind of sliding film layer and display panel and sliding film layer Preparation method.
Background technique
With display technology make rapid progress, flexible screen body using more and more extensive.And when flexible screen body is hit by weight When middle, the impact force due to hitting position can not disperse, impaired so as to cause display device.Existing solution is in screen body The preferable padded coaming of lower increase elasticity, but will increase screen body overall thickness, and influence the bending performance of flexible screen body.
Therefore a kind of technology for effectively improving screen body anticollision performance while not influencing to shield body bending performance is urgently provided.
Summary of the invention
In view of this, the present invention provides a kind of sliding film layer and display panel and the preparation method for sliding film layer, it can be with It effectively improves screen body anticollision performance and does not influence to shield body bending performance.
According to an aspect of the present invention, a kind of sliding film layer is provided, the top surface for sliding film layer, which is provided with, to be parallel to each other simultaneously It is in multiple first cut surfaces of predetermined angle with top surface, wherein the first cut surface extends to the inside of sliding film layer from top surface, it is sliding The bottom surface for moving film layer is provided with the second cut surface being staggered with the first cut surface, wherein the second cut surface is extended to from bottom surface The inside of film layer is slid, the first cut surface and the second cut surface are used to make to slide film layer and are slid when by impact force, With disperses impact forces.
Optionally, the first cut surface is parallel with the second cut surface, and predetermined angle is 30 degree to 60 degree, and the first cut surface is from top Face extends to the inside of sliding film layer, extends to position of the sliding film layer apart from top surface 1/2 or 2/3 from top surface including the first cut surface Set, the second cut surface from bottom surface extend to sliding film layer inside, including the second cut surface from bottom surface extend to sliding film layer away from Position from bottom surface 1/2 or 2/3.
In one embodiment, sliding film layer includes multiple segmentations, is passed through between the adjacent sectional in plurality of segmentation micro- The connection of type spring.
According to another aspect of the present invention, a kind of display panel, including display layer and sliding film layer are provided, wherein sliding Film layer is arranged below display layer.
In one embodiment, sliding between film layer and display layer further includes the first adhesion layer, wherein the first adhesion layer interval Pre-determined distance is distributed between sliding film layer and display layer, will be slid film layer and is adhered to each other with display layer.
In one embodiment, display panel further include: supporting layer, supporting layer setting is below sliding film layer, to support cunning Move film layer and display layer.
In one embodiment, sliding between film layer and supporting layer further includes the second adhesion layer, wherein the second adhesion layer interval Pre-determined distance is distributed between sliding film layer and supporting layer, will be slid film layer and is adhered to each other with supporting layer.
According to an aspect of the present invention, a kind of preparation method for sliding film layer is provided, comprising: from the top surface of sliding film layer It is cut to the middle part of sliding film layer, with predetermined angle to form the first cut surface;Sliding film is cut to from the bottom surface of sliding film layer The middle part of layer, to form the second cut surface, wherein the second cut surface is staggered with the first cut surface.
In one embodiment, preparation method further include: in the top surface interval pre-determined distance scatter coated optics of sliding film layer Transparent adhesive tape;Film layer will be slid using Optical transparent adhesive to be adhered to each other with display layer.
In one embodiment, preparation method further include: in the bottom surface interval pre-determined distance scatter coated optics of sliding film layer Transparent adhesive tape;Film layer will be slid using Optical transparent adhesive to be adhered to each other with supporting layer.
The preparation method of sliding film layer and display panel and sliding film layer that the embodiment of the present invention provides, by shielding A kind of sliding film layer staggeredly cut up and down is set in body, so that screen body, when by impact force, sliding film layer is slid, from And disperses impact forces, it can effectively improve screen body anticollision performance while not influencing to shield body bending performance.
Detailed description of the invention
Fig. 1 a show the schematic top plan view of the sliding film layer of one embodiment of the invention offer.
Fig. 1 b show the schematic cross-section of the sliding film layer of one embodiment of the invention offer.
Fig. 1 c show the section sliding schematic diagram of the sliding film layer of one embodiment of the invention offer
Fig. 2 show the structural schematic diagram of the display panel of one embodiment of the invention offer.
Fig. 3 show the flow diagram of the preparation method of the sliding film layer of one embodiment of the invention offer.
Fig. 4 show the structural schematic diagram for the display panel that an exemplary embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 b is the schematic cross-section for the sliding film layer that one embodiment of the invention provides, and the top surface 110 of the sliding film layer is set Multiple first cut surfaces 120 for being parallel to each other and with top surface be in predetermined angle 150 are equipped with, wherein the first cut surface 120 is from top surface 110 extend to the inside of sliding film layer, and the bottom surface 130 for sliding film layer is provided with multiple second to be staggered with the first cut surface Cut surface 140, wherein the second cut surface 140 extends to the inside of sliding film layer, the first cut surface 120 and the from bottom surface 130 For making to slide film layer when by impact force, the part of cutting can misplace two cut surfaces 140, be slid, to disperse to rush Hit power.
Specifically, sliding film layer can be is made of the material with certain stiffening property, such as polyethylene terephthalate Ester (Polyethylene Terephthalate, PET), polyethylene naphthalate (Polyethylene Naphthalate, PEN), polyether-ether-ketone (Polyetheretherketone, PEEK) material etc., the material with certain stiffening property It can guarantee that slide film layer restores to the original state rapidly after being slid, while provide certain branch to slide the top structure of film layer Support property.The structure for sliding film layer as illustrated in figs. 1A and ib, after sliding film layer preparation, can be used and for example be cut by laser Or break bar cutting technique, sliding film layer is cut.Fig. 1 b middle section A-A is the structural representation of the sliding film layer after cutting Figure, it can be seen that the cutting line that all cut surfaces are constituted in section A-A, which can be, to be parallel to each other, and is also possible to have Certain angle.First cut surface 120 is the middle part for being switched to sliding film layer with predetermined angle 150 from the top surface 110 of sliding film layer, Predetermined angle can be 30 degree, 45 degree, 60 degree or other angle, the depth of cutting can be in the middle part of sliding film layer 1/2 at, At 2/3 or other positions, the second cut surface 140 are the middle part that sliding film layer is switched to from the bottom surface 130 of sliding film layer, predetermined angle 160 can be angle identical with predetermined angle 150, and depth of cut can also be identical as the depth of the first cut surface 120, and first The predetermined angle of the cutting of cut surface 120 and the second cut surface 140 and the depth of cutting can be according to ordinary skill people The demand of member is adjusted, and the present invention is not specifically limited in this embodiment.
The sliding film layer of above-mentioned design, can be set below display screen, play certain supporting role, and showing When screen is by impact force, the sliding for sliding film layer, to disperse the impact force that screen body is subject to, can improve screen as shown in Fig. 1 c Body anticollision performance.Since sliding film layer has certain stiffening property, it can restore to the original state rapidly, be provided enough after sliding Support force, while the thickness for sliding film layer can control in the range of 100 μm -500 μm, therefore is added and slides below screen body After moving film layer, the bending performance of flexible screen body is nor affected on, simultaneously because the slip characteristic and stiffening property of sliding film layer, Ke Yi Disperses impact forces when being hit, and restore to the original state by stiffening property to provide support force.
In one embodiment, the first cut surface is parallel with the second cut surface, and predetermined angle is 30 degree to 60 degree, the first cutting Face extends to the inside of sliding film layer from top surface, including the first cut surface from top surface extend to sliding film layer apart from top surface 1/2 or 2/3 position, the second cut surface extend to the inside of sliding film layer from bottom surface, including the second cut surface extends to sliding from bottom surface Position of the film layer apart from bottom surface 1/2 or 2/3.
Specifically, as shown in Figure 1 b, the first cut surface 120 and the second cut surface 140 can be disposed in parallel, preset angle Degree 150 can be 30 degree to 60 degree, and predetermined angle within this range can guarantee that sliding film layer is smooth enough in sliding, If angle is excessive, counteracting force in the horizontal direction is insufficiently resistant to impact force, and the function of sliding film layer is caused to have a greatly reduced quality, If angle too small, counteracting force in the horizontal direction is excessive, causes sliding film layer suppleness to reduce, can damage screen body instead. Preferably, predetermined angle 150 can be 45 degree, and 45 degree of predetermined angle ensure that in sliding film layer by vertical impact force When, vertical impact force can be uniformly distributed on other directions, allow sliding film layer to provide enough screen bodies anti- Collision performance.Depth of cut can be to be counted from the top surface of sliding film layer or bottom surface, cuts entire film toward the inside of sliding film layer 1/2 or 2/3 position of thickness degree.Specifically, the depth of cutting should be at least 1/2 position of entire thicknesses of layers, if few In 1/2, then maximum sliding effect cannot be played by sliding film layer;The depth of cutting do not answer yet it is too deep, it is too deep to will lead to entire cunning The intensity for moving film layer is reduced, and is easy to happen fracture when coping with impact force.Preferred depth of cut can be entire film layer 2/3 position of thickness can guarantee that the first cut surface 120 and the second cut surface 140 overlap section, are coping in this way When impact force sends sliding, maximum sliding effect can be not only played, but also can guarantee the toughness and intensity of sliding film layer.
Two cut surfaces disposed in parallel can to slide film layer when bearing enormous impact force, and top surface, bottom surface are only suitable The direction of the first cut surface and the second cut surface that is parallel to each other slid, therefore the coupling part in sliding film layer Interaction force is also to cancel out each other, to guarantee that the suppleness for sliding film layer maximizes, it is not easy to bear excessive rush It is broken when hitting power.
First cut surface and the parallel design of the second cut surface in the present embodiment, in addition 30 degree to 60 degree of cutting of preset angle Degree design and specific depth of cut, can be improved the anticollision performance and toughness of sliding film layer, so that the anticollision of screen body Performance is hit to be improved.
In one embodiment, sliding film layer includes multiple segmentations, is passed through between the adjacent sectional in plurality of segmentation micro- The connection of type spring.
No matter entirely screen body structure includes or does not include supporting layer, and sliding film layer can be set as multiple segmentations, then It is attached between the adjacent sectional in multiple segmentations by microsprings.For example, if screen body from top to bottom includes Display layer, the sliding film layer of segmentation and supporting layer, can be used Optical transparent adhesive be coated in segmentation sliding film layer not by Display layer, the sliding film layer of segmentation and supporting layer are adhered to each other, between the sliding film layer of adjacent sectional by cut portion Microsprings are provided with, sliding film layer can be made to possess except sliding effect of film layer itself in this way, it can also be by micro- The elastic force of type spring provides an additional cushion performance, so that the effect of sliding film layer disperses impact forces, is reinforced, Ke Yiwei Shield body and better anticollision performance is provided, while the addition of microsprings does not influence the bending performance of flexible screen body still.
Fig. 2 show the structural schematic diagram of the display panel of one embodiment of the invention offer.The display panel, including display Layer 210 and sliding film layer 220, wherein sliding film layer 220 is arranged below display layer 210.
Display layer 210 can be a kind of general designation in the present embodiment, and display layer 210 may include for example outwardly and inwardly protecting Sheath, touch layer and flexible active matrix organic light emitting diode (Active-matrix organic light Emitting diode, AMOLED) display panel etc..It is to be understood that sliding film layer 220 and display layer 210 in Fig. 2 Thickness be intended only as example, actual thickness proportion is not limited to this.
In the lower section of display layer 210, the sliding film layer 220 of cutting operation is passed through in setting, and sliding film layer 220 has certain Stiffening property and slip characteristic can effectively improve screen body anticollision performance;The thickness of film layer 220 is slid simultaneously than conventional buffer layer It is thinner, therefore can not influence to shield body bending performance after sliding film layer 220 is added.
In one embodiment, sliding between film layer and display layer further includes the first adhesion layer, wherein the first adhesion layer interval Pre-determined distance is distributed between sliding film layer and display layer, will be slid film layer and is adhered to each other with display layer.
Sliding can also include the first adhesion layer between film layer and display layer, and the first adhesion layer can be by Optical transparent adhesive It is constituted after coating, slides film layer and display layer can be for example, by OCA optical cement (Optically Clear Adhesive) It is adhered to each other, spy mainly good with colorless and transparent, 90% or more light permeable rate and cementing strength using OCA optical cement Property, the two is adhered to each other.Maximum performance can be played in order to guarantee to slide film layer simultaneously, OCA optical cement can not have to complete Portion be coated in sliding film layer on, but only coating a part, make the first adhesion layer interval pre-determined distance be distributed in sliding film layer with It between display layer, therefore can still be slid in the sliding film layer of no coating OCA optical cement, so that disperses to be subject to rushes Hit power.Preferably, OCA optical cement is coated on the top surface of sliding film layer, and is only coated in the place that do not cut, in cunning The place cut on the top surface of film layer is moved, OCA optical cement is not coated by, it in this way can be with the cunning of the performance sliding film layer of maximum performance Effect is moved, provides maximized anticollision performance for screen body.
In the present embodiment, using Optical transparent adhesive interval pre-determined distance scatter coated between sliding film layer and display layer, It is that, with the better impact force for dispersing to be subject to, can be provided more for screen body to make to slide film layer and preferably play sliding effect Good anticollision performance.
In one embodiment, display panel further include: supporting layer, supporting layer setting is below sliding film layer, to support cunning Move film layer and display layer.
After the lower section of display layer is provided with sliding film layer, one layer of supporting layer can also be set in the lower section of sliding film layer. The effect of supporting layer is on the basis of sliding film layer, provide more support forces to sliding film layer and display layer, to protect Demonstrate,prove the robustness of entire display panel.Supporting layer can be made of heat deformable material, can also be by with certain elastic recovery Can flexible material be made, it is also contemplated that using with the identical material of sliding film layer, those skilled in the art can be with It is selected according to demand, which is not limited by the present invention.
Supporting layer setting in the present embodiment can be to shield body positioned at the lower section of display layer and sliding film layer in lowest level Enough support forces are provided, so that entirely screen body structure is more sturdy and durable.
In one embodiment, sliding between film layer and supporting layer further includes the second adhesion layer, wherein the second adhesion layer interval Pre-determined distance is distributed between sliding film layer and supporting layer, will be slid film layer and is adhered to each other with supporting layer.
Specifically, as described in above-described embodiment, pre-determined distance distribution the can be directly spaced by sliding film layer and display layer One adhesion layer will slide film layer and be adhered to each other with display layer, therefore display layer is mutually bonded with the top surface of sliding film layer. In the present embodiment, supporting layer is also provided with below sliding film layer, therefore sliding between the bottom surface and supporting layer of film layer can be with It is spaced pre-determined distance point the second adhesion layer of distribution, the second adhesion layer can be to be constituted by Optical transparent adhesive figure is attached, will be slided It moves film layer and supporting layer is adhered to each other, slide film layer and supporting layer can be for example, by OCA optical cement (Optically Clear Adhesive) adherency.Preferably, Optical transparent adhesive be coated in sliding film layer bottom surface on, and only be coated in do not have The place cut, the place cut on the bottom surface of sliding film layer, is not coated by Optical transparent adhesive, in this way can be with maximum performance Performance sliding film layer sliding effect, for screen body maximized anticollision performance is provided.
Between display layer and supporting layer, the top surface and display layer for sliding film layer adhere to sliding film layer in the present embodiment Together, the bottom surface and supporting layer for sliding film layer are adhered to each other, and the mode of adherency is applied by interval pre-determined distance dispersion The Optical transparent adhesive covered is adhered to each other.So that entirely screen body is under the premise of possessing enough support forces, moreover it is possible to effective to play Sliding effect of film layer is slid, to provide effective anticollision performance for screen body.
Fig. 3 show the flow diagram of the preparation method of the sliding film layer of one embodiment of the invention offer, comprising:
310: being cut to the middle part of sliding film layer, with predetermined angle from the top surface of sliding film layer to form the first cut surface.
Sliding film layer is cut to predetermined angle from the top surface of sliding film layer using laser cutting or break bar cutting technique Middle part, the predetermined angle of cutting can be 30 degree, 45 degree, 60 degree or other angles, the depth of cutting can be sliding film layer At the 1/2 of middle part, at 2/3 or other positions, those of ordinary skill in the art can be adjusted according to demand, the present invention is to this It is not specifically limited.First cut surface can be between each other it is parallel, with guarantee sliding film layer when bearing enormous impact force, The interaction force of coupling part in sliding film layer can cancel out each other, to guarantee that the suppleness for sliding film layer is maximum Change, it is not easy to be broken when bearing excessive impact force.
320: the middle part of sliding film layer is cut to from the bottom surface of sliding film layer, to form the second cut surface, wherein second cuts Face is staggered with the first cut surface.
It is similar to step 310, using similar cutting technique, the bottom of sliding film layer is carried out being cut to second to cut Face, the second cut surface can be staggered with the first cut surface, and the benefit being staggered is that sliding film layer can be made to bear Uniform stressed when impact force will not be broken since the power of certain being subject to is excessive.
Preferably, predetermined angle can be 45 degree, and 45 degree of predetermined angle, which ensure that, is rushed in sliding film layer by vertical When hitting power, vertical impact force can be uniformly distributed on other directions, sliding film layer is allowed to provide enough screens Body anticollision performance.What the first cut surface and the second cut surface were also possible to be parallel to each other, it is impacted in this way in sliding film layer When power, it is ensured that top bottom surface is only slid along the direction of the first cut surface and the second cut surface that are parallel to each other, therefore The interaction force of coupling part in sliding film layer is also to cancel out each other, to guarantee that the suppleness for sliding film layer is maximum Change, it is not easy to be broken when bearing excessive impact force.
Sliding film layer in the present embodiment is by cutting top surface, bottom surface, so that sliding film layer be made to have sliding function Effect, can effective disperses impact forces, guarantee after being added and sliding film layer, screen body anticollision performance is improved, and is slid The thickness of film layer is thinner than conventional buffer layer, it is ensured that after sliding film layer is added, does not influence to shield body bending performance.
In one embodiment, preparation method further include: in the top surface interval pre-determined distance scatter coated optics of sliding film layer Transparent adhesive tape;Film layer will be slid using Optical transparent adhesive to be adhered to each other with display layer.
It can be spaced pre-determined distance scatter coated Optical transparent adhesive in the top surface of sliding film layer, Optical transparent adhesive can be example Such as OCA optical cement (Optically Clear Adhesive), the advantages of scatter coated is can be slid with the performance of maximum performance Sliding effect of film layer provides maximized anticollision performance for screen body.Then film will be slid using the viscosity of Optical transparent adhesive Layer is adhered to each other with display layer.
It is to be understood that sliding film layer can first be cut, optical lens then are coated in sliding film layer again after dicing Gelatin is adhered to, then Optical transparent adhesive required for can also first coating in the sliding film layer that do not cut reuses Laser cutting or break bar cutting technique integrally carry out cutting operation to the sliding film layer for being coated with Optical transparent adhesive, this field it is general Logical technical staff can according to need selection, and first coating Optical transparent adhesive still first carries out cutting operation, and the present invention, which does not do this, to be had Body limits.
It is appreciated that using Optical transparent adhesive interval pre-determined distance scatter coated sliding film layer and display layer it Between, it is that, with the better impact force for dispersing to be subject to, can be provided to make to slide film layer and preferably play sliding effect for screen body Better anticollision performance.
In one embodiment, preparation method further include: in the bottom surface interval pre-determined distance scatter coated optics of sliding film layer Transparent adhesive tape;Film layer will be slid using Optical transparent adhesive to be adhered to each other with supporting layer.
It is similar to the aforementioned embodiment, supporting layer is also provided with below sliding film layer, slides the viscous of film layer and supporting layer Subsidiary formula formula and sliding film layer are similar to the material and process that the adherent fashion of display layer uses, and details are not described herein.
Supporting layer has been adhered to below sliding film layer, enough support forces can be provided for screen body, so that entirely screen body knot Structure is more sturdy and durable.
Fig. 4 show the structural schematic diagram for the display panel that an exemplary embodiment of the invention provides.The display panel packet Include display layer 410, sliding film layer 420 and supporting layer 430, the OCA that sliding film layer 420 passes through interval pre-determined distance scatter coated Optical cement (Optically Clear Adhesive) 440 is adhered between display layer 410 and supporting layer 430.
Display layer 410 may include such as outwardly and inwardly protective layer, touch layer and flexible active matrix organic light emission Diode (Active-matrix organic light emitting diode, AMOLED) display panel etc..
Slide film layer 420 it is preferable to use the material with certain stiffening property, thickness control in the range of 100 μm -500 μm, Guarantee that sliding film layer 420 can restore to the original state rapidly after sliding, control thickness is in order to not influence the bending of entire screen body Energy.Film layer 420 is slid by laser cutting, forms the first cut surface and the second cut surface, the first cut surface and sliding film layer 420 top surface is in a predetermined angle, which is 45 degree, and the second cut surface and the first cut surface are parallel to each other and hand over Mistake setting.It is coated with OCA optical cement 440 in sliding film layer, for being adhered to each other with display layer 410 and supporting layer 430, such as Shown in Fig. 4, the OCA optical cement 440 has been coated in the part that sliding film layer 420 is not cut, to guarantee that sliding film layer 420 exists A degree of sliding can also be carried out after adherency.Another embodiment be can first in the sliding film layer that do not cut between Every pre-determined distance scatter coated OCA optical cement, then the sliding film layer with OCA optical cement is integrally cut.
Supporting layer 430 is mainly used for supporting display layer 410 and slides film layer 420.
The display panel being arranged through the above way, sliding film layer 420 pass through the OCA optical cement 440 of scatter coated and show Show that layer 410 and supporting layer 430 are adhered to each other, provide effective sliding effect, can effectively scatter display panel connect The impact force received, the control of thickness is so that the display panel possesses anticollision performance and bending performance;Supporting layer 430 can be with simultaneously It helps natively there is the sliding film layer 420 of certain stiffening property to restore to the original state rapidly after sliding, and centainly sturdy and durable is provided Property, so that the control panel possesses reliable performance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. a kind of sliding film layer, which is characterized in that the top surface of the sliding film layer, which is provided with, to be parallel to each other and be in the top surface Multiple first cut surfaces of predetermined angle, wherein first cut surface extends in the sliding film layer from the top surface The bottom surface in portion, the sliding film layer is provided with the second cut surface being staggered with first cut surface, wherein described second Cut surface extends to the inside of the sliding film layer from the bottom surface, and first cut surface and second cut surface are used for Slide the sliding film layer when by impact force, to disperse the impact force.
2. sliding film layer as described in claim 1, which is characterized in that first cut surface and second cut surface are flat Row, the predetermined angle are 30 degree to 60 degree, and first cut surface extends to the inside of the sliding film layer from the top surface, Position of the sliding film layer apart from the top surface 1/2 or 2/3 is extended to from the top surface including first cut surface, it is described Second cut surface extends to the inside of the sliding film layer from the bottom surface, including second cut surface extends from the bottom surface Position to the sliding film layer apart from the bottom surface 1/2 or 2/3.
3. sliding film layer as claimed in claim 1 or 2, which is characterized in that the sliding film layer includes multiple segmentations, wherein institute It states and is connected between the adjacent sectional in multiple segmentations by microsprings.
4. a kind of display panel, which is characterized in that including display layer and sliding film as claimed any one in claims 1 to 3 Layer, wherein the sliding film layer is arranged below the display layer.
5. display panel as claimed in claim 4, which is characterized in that further include between the sliding film layer and the display layer First adhesion layer, wherein first adhesion layer interval pre-determined distance is distributed between the sliding film layer and the display layer, The sliding film layer to be adhered to each other with the display layer.
6. display panel as claimed in claim 4, which is characterized in that further include: supporting layer, the supporting layer are arranged described It slides below film layer, to support the sliding film layer and the display layer.
7. display panel as claimed in claim 6, which is characterized in that further include between the sliding film layer and the supporting layer Second adhesion layer, wherein second adhesion layer interval pre-determined distance is distributed between the sliding film layer and the supporting layer, The sliding film layer to be adhered to each other with the supporting layer.
8. a kind of preparation method for sliding film layer characterized by comprising
It is cut to the middle part of the sliding film layer, with predetermined angle from the top surface of the sliding film layer to form the first cut surface;
The middle part of the sliding film layer is cut to from the bottom surface of the sliding film layer, to form the second cut surface, wherein described the Two cut surfaces are staggered with first cut surface.
9. preparation method as claimed in claim 8, which is characterized in that further include:
In the top surface interval pre-determined distance scatter coated Optical transparent adhesive of the sliding film layer;
The sliding film layer is adhered to each other with the display layer using the Optical transparent adhesive.
10. preparation method as claimed in claim 8, which is characterized in that further include:
In the bottom surface interval pre-determined distance scatter coated Optical transparent adhesive of the sliding film layer;
The sliding film layer is adhered to each other with the supporting layer using the Optical transparent adhesive.
CN201810909602.7A 2018-08-10 2018-08-10 Slip film layer, display panel and preparation method of slip film layer Active CN109064894B (en)

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Application publication date: 20181221

Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd

Assignor: The valley (Guan) Technology Co. Ltd.

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Denomination of invention: Sliding film, display panel, and preparation method of sliding film

License type: Common License

Record date: 20191030

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